225134450 has 24 divisors (see below), whose sum is σ = 420441840. Its totient is φ = 89690000.

The previous prime is 225134447. The next prime is 225134473. The reversal of 225134450 is 54431522.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3581 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (17518410).

Almost surely, 2^225134450 is an apocalyptic number.

225134450 is a deficient number, since it is larger than the sum of its proper divisors (195307390).

225134450 is a wasteful number, since it uses less digits than its factorization.

225134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202 (or 18197 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225134450 is about 15004.4809973554. The cubic root of 225134450 is about 608.3413238875.

Adding to 225134450 its reverse (54431522), we get a palindrome (279565972).

The spelling of 225134450 in words is "two hundred twenty-five million, one hundred thirty-four thousand, four hundred fifty".